| Point Forecast: 8 Miles ESE Iona SD 43.5N 99.29W (Elev. 1542 ft) |
Last Update: 4:01 pm CDT Jun 15, 2024 |
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| Date | 06/15 | 06/16 | ||||||||||||||||||||||
| Hour (CDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 82 | 83 | 84 | 83 | 81 | 80 | 75 | 72 | 71 | 71 | 71 | 69 | 68 | 68 | 67 | 67 | 70 | 71 | 74 | 75 | 77 | 79 | 80 | 81 |
| Dewpoint (°F) | 68 | 68 | 68 | 68 | 69 | 68 | 69 | 68 | 67 | 66 | 66 | 65 | 63 | 62 | 61 | 60 | 61 | 62 | 62 | 61 | 60 | 60 | 59 | 58 |
| Heat Index (°F) | 85 | 86 | 87 | 86 | 85 | 83 | 75 | 75 | 77 | 79 | 81 | 81 | ||||||||||||
| Surface Wind (mph) | 11 | 11 | 11 | 10 | 9 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 10 | 10 | 11 | 13 | 14 | 16 | 17 | 16 | 16 | 14 | 13 | 11 |
| Wind Dir | S | S | S | SSE | SSE | SE | SE | SE | SE | SSE | SSE | S | S | S | SW | W | WNW | NW | NW | NW | NNW | NNW | NNW | NNW |
| Gust | 22 | 24 | 24 | 25 | 23 | 22 | 21 | |||||||||||||||||
| Sky Cover (%) | 55 | 43 | 15 | 7 | 7 | 12 | 14 | 27 | 43 | 37 | 28 | 19 | 23 | 26 | 15 | 8 | 20 | 22 | 25 | 36 | 27 | 17 | 24 | 31 |
| Precipitation Potential (%) | 9 | 5 | 1 | 3 | 5 | 4 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Relative Humidity (%) | 63 | 61 | 59 | 60 | 66 | 67 | 82 | 87 | 87 | 84 | 84 | 87 | 84 | 81 | 81 | 78 | 73 | 73 | 66 | 62 | 56 | 52 | 49 | 46 |
| Rain | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Thunder | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Date | 06/17 | |||||||||||||||||||||||
| Hour (CDT) | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 |
| Temperature (°F) | 83 | 84 | 84 | 84 | 80 | 77 | 73 | 69 | 67 | 67 | 65 | 63 | 62 | 61 | 61 | 62 | 62 | 64 | 65 | 67 | 69 | 71 | 74 | 76 |
| Dewpoint (°F) | 58 | 57 | 58 | 58 | 59 | 58 | 56 | 56 | 57 | 58 | 58 | 58 | 58 | 58 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 64 | 65 | 66 |
| Heat Index (°F) | 83 | 83 | 84 | 84 | 81 | 77 | 76 | |||||||||||||||||
| Surface Wind (mph) | 11 | 10 | 10 | 10 | 9 | 8 | 8 | 9 | 9 | 9 | 10 | 10 | 11 | 10 | 11 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 14 | 15 |
| Wind Dir | N | N | N | NNE | NNE | NNE | NE | NE | NE | ENE | ENE | NE | NE | NE | NE | NE | NE | ENE | ENE | ENE | ENE | ENE | ENE | ENE |
| Gust | 20 | 21 | 20 | 20 | 21 | 21 | 21 | 20 | 20 | 21 | 21 | |||||||||||||
| Sky Cover (%) | 23 | 19 | 23 | 31 | 40 | 26 | 38 | 70 | 80 | 75 | 73 | 75 | 78 | 78 | 77 | 75 | 76 | 78 | 79 | 75 | 72 | 68 | 68 | 67 |
| Precipitation Potential (%) | 0 | 0 | 0 | 29 | 29 | 29 | 58 | 58 | 58 | 76 | 76 | 76 | 84 | 84 | 84 | 36 | 36 | 36 | 36 | 36 | 36 | 26 | 26 | 26 |
| Relative Humidity (%) | 43 | 40 | 41 | 41 | 49 | 52 | 55 | 63 | 70 | 73 | 78 | 84 | 87 | 90 | 90 | 90 | 93 | 90 | 90 | 87 | 84 | 79 | 74 | 71 |
| Rain | -- | -- | -- | Chc | Chc | Chc | Lkly | Lkly | Lkly | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Ocnl | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc |
| Thunder | -- | -- | -- | SChc | SChc | SChc | Chc | Chc | Chc | Lkly | Lkly | Lkly | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | Chc | SChc | SChc | SChc |
